20103022031020 has 24 divisors (see below), whose sum is σ = 42603652198800. Its totient is φ = 7967436253632.

The previous prime is 20103022031017. The next prime is 20103022031021. The reversal of 20103022031020 is 2013022030102.

It is a junction number, because it is equal to n+sod(n) for n = 20103022030985 and 20103022031003.

It is not an unprimeable number, because it can be changed into a prime (20103022031021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4610782690 + ... + 4610787049.

It is an arithmetic number, because the mean of its divisors is an integer number (1775152174950).

Almost surely, 2^{20103022031020} is an apocalyptic number.

20103022031020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20103022031020 is an abundant number, since it is smaller than the sum of its proper divisors (22500630167780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20103022031020 is a wasteful number, since it uses less digits than its factorization.

20103022031020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9221569857 (or 9221569855 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20103022031020 its reverse (2013022030102), we get a palindrome (22116044061122).

The spelling of 20103022031020 in words is "twenty trillion, one hundred three billion, twenty-two million, thirty-one thousand, twenty".